Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 92 · 40 questions

Remember (Shape tells the part): Cell: long and short line (long = +). Battery: two or more cells. Wire: straight line. Junction: a dot. Bulb: circle with a cross. Switch: line lifted at a gap. Resistor: rectangle. Capacitor: two equal parallel lines. Diode: triangle against a bar; LED: the same with two arrows out. Circle with M = motor, A = ammeter, V = voltmeter.

1. 1.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) motor (b) bulb (c) switch (d) diode
2. 2.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) voltmeter (b) battery (c) ammeter (d) motor
3. 3.True or false: two equal parallel lines is the symbol for a capacitor. (a) True (b) False
4. 4.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) battery (c) wire (d) cell
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) resistor (b) ammeter (c) LED (d) motor
6. 6.Which drawing is the symbol for a bulb? (a) a dot where wires meet (b) triangle, bar and arrows (c) a circle with M inside (d) a circle with a cross
7. 7.✏️ In a cell symbol, which line is the + terminal? (a) the shorter line (b) both lines (c) neither line (d) the longer line
8. 8.Which drawing is the symbol for a cell? (a) a dot where wires meet (b) one tall, one short bar (c) a circle with an X in it (d) a straight line
9. 9.✏️ In a circuit diagram, which part is drawn as a straight line? (a) resistor (b) wire (c) LED (d) switch
10. 10.Which drawing is the symbol for a capacitor? (a) triangle against a bar (b) two equal parallel lines (c) a circle with A inside (d) one tall, one short bar
11. 11.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) capacitor (b) LED (c) voltmeter (d) switch
12. 12.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) resistor (b) diode (c) voltmeter (d) capacitor
13. 13.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) LED (b) motor (c) wire (d) bulb
14. 14.True or false: a straight line is the symbol for a voltmeter. (a) True (b) False
15. 15.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) resistor (b) battery (c) LED (d) bulb
16. 16.Which drawing is the symbol for a junction? (a) two or more cell symbols (b) a small empty box (c) a dot where wires meet (d) a line lifted at a gap
17. 17.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) bulb (b) wire (c) switch (d) cell
18. 18.True or false: a line lifted at a gap is the symbol for a battery. (a) False (b) True
19. 19.Which drawing is the symbol for a voltmeter? (a) a circle with M inside (b) a circle with V inside (c) a circle with A inside (d) two or more cell symbols
20. 20.True or false: one tall, one short bar is the symbol for an LED. (a) False (b) True
21. 21.True or false: a line lifted at a gap is the symbol for an LED. (a) False (b) True
22. 22.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) bulb (b) cell (c) diode (d) switch
23. 23.Which drawing is the symbol for a motor? (a) triangle, bar and arrows (b) a circle with an X in it (c) two or more cell symbols (d) a circle with M inside
24. 24.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) motor (b) cell (c) bulb (d) voltmeter
25. 25.Which drawing is the symbol for a switch? (a) a small empty box (b) a line lifted at a gap (c) a circle with V inside (d) a circle with an X in it
26. 26.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) symbols are heavier (c) to hide the circuit (d) to make it colourful
27. 27.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) LED (b) switch (c) bulb (d) battery
28. 28.Which drawing is the symbol for a battery? (a) two or more cell symbols (b) a circle with a cross (c) a circle with V inside (d) one tall, one short bar
29. 29.Which drawing is the symbol for an ammeter? (a) two equal parallel lines (b) two or more cell symbols (c) triangle against a bar (d) a circle with A inside
30. 30.True or false: a small empty box is the symbol for a resistor. (a) False (b) True
31. 31.True or false: a circle with an X in it is the symbol for a battery. (a) True (b) False
32. 32.True or false: a line lifted at a gap is the symbol for a switch. (a) False (b) True
33. 33.True or false: a dot where wires meet is the symbol for a voltmeter. (a) True (b) False
34. 34.True or false: a straight line is the symbol for a bulb. (a) True (b) False
35. 35.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) straight lines (d) dotted circles
36. 36.True or false: one tall, one short bar is the symbol for a resistor. (a) True (b) False
37. 37.True or false: a straight line is the symbol for a wire. (a) False (b) True
38. 38.Which drawing is the symbol for a resistor? (a) a circle with an X in it (b) a long and a short line (c) a small empty box (d) many long-short pairs
39. 39.True or false: a circle with a cross is the symbol for a bulb. (a) False (b) True
40. 40.Which drawing is the symbol for a cell? (a) a circle with an X in it (b) two or more cell symbols (c) a long and a short line (d) triangle, bar and arrows

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